Patents Assigned to Semikron Elektronik GmbH
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Patent number: 10644687Abstract: A control device for a power semiconductor switch, includes an actuating device, a first current path, a second current path, which connects the second output of the actuating device to a circuit node of the control device in an electrically conductive manner, wherein the second current path incorporates an electrical switching off resistor which is electrically connected in-circuit between a second output of the actuating device and the circuit node of the control device, a third current path, which connects the circuit node of the control device to a control device terminal of the control device in an electrically conductive manner, and an switching off acceleration circuit, which is electrically connected in parallel with the switching off resistor, comprising a diode, an electrical resistor, and a capacitor which is electrically connected in parallel with said resistor, wherein the cathode of the diode is connected to a second electrical terminal of the capacitor in an electrically conductive manner, andType: GrantFiled: March 25, 2019Date of Patent: May 5, 2020Assignee: SEMIKRON ELEKTRONIK GmbH & CO. KGInventor: Jürgen Schmidt
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Patent number: 10615107Abstract: A power electronic switching device having plurality of potential surfaces. At least two different potentials are respectively assigned to at least one of the potential surfaces. A plurality of semiconductor components are arranged in an n×m matrix, oriented in the x-y-direction, on a first conductor track, formed by at least one potential surface of the first potential. The semiconductor components are connected in parallel with one another and form a current valve. In this case, the semiconductor components can be distributed among a plurality of potential surfaces of the first potential which form the first conductor track.Type: GrantFiled: November 20, 2016Date of Patent: April 7, 2020Assignee: Semikron Elektronik GmbH & Co., KGInventors: Frank Stiegler, Stefan Schmitt, Harald Kobolla
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Apparatus for the material-bonded connection of connection partners of a power-electronics component
Patent number: 10603741Abstract: A pressing ram having an elastic cushion element and intended for the material-bonded press-sintering connection of a first connection partner to a second connection partner of a power-electronics component. The elastic cushion element of the pressing ram is enclosed by a dimensionally stable frame, within which the cushion element and a guide part of the pressing ram are guided for linear movement such that the dimensionally stable frame lowers onto the first connection partner, or a workpiece carrier with the first connection partner arranged therein, and, following abutment against the same, the pressing ram together with the elastic cushion element is lowered onto the second connection partner and the elastic cushion exerts a pressure necessary for connecting the first connection partner to the second connection partner.Type: GrantFiled: November 20, 2016Date of Patent: March 31, 2020Assignee: Semikron Elektronik GmbH & Co., KGInventors: Ingo Bogen, Heiko Braml, Christian Göbl, Ulrich Sagebaum, Jürgen Windischmann -
Patent number: 10577707Abstract: Method and apparatus for the electrodeposition of a contact metal layer on contact areas of semiconductor components in a wafer assemblage. The method comprises: a) providing a wafer having components having at least one pn junction; b) arranging a non-conductive homogenizing device with respect to the first surfaces of the components, and an electrical contact device at a second surface of the wafer; c) introducing the wafer into an electroplating bath having an electrode, wherein the surface thereof consists at least partly of a first contact metal, and wherein the first surface of the components is in contact with the electroplating bath; d) applying a voltage to the electrode and to the contact device, as a result of which current flows between the electrode and the contact device, through the electroplating bath and the component and contact metal is thus deposited at the first contact areas of the components.Type: GrantFiled: April 9, 2015Date of Patent: March 3, 2020Assignee: Semikron Elektronik GmbH & Co., KGInventors: Wolfgang-Michael Schulz, Matthias Spang
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Patent number: 10535584Abstract: A power electronic arrangement having a power semiconductor module and an external load-connecting element is provided with the external load-connecting element has a first connection device, and the power semiconductor module has a housing, a base plate and an internal load-connecting element with a second connection device, wherein the base plate has a first cut out through which the first connection device extends into the interior of the power semiconductor module and is connected there in a frictionally locking and electrically conductive fashion to a second connection device of the internal load-connecting element.Type: GrantFiled: April 20, 2018Date of Patent: January 14, 2020Assignee: SEMIKRON ELEKTRONIK GmbH & CO. KGInventor: Christian Walter
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Publication number: 20200013687Abstract: The invention relates to a power semiconductor device comprising a pin element which passes through a housing opening, comprising a support device, further comprising an elastic sealing device which is arranged on the support device, comprising a pressure device which is arranged on the sealing device, and comprising an electrically conductive sleeve. A first pressure element of the pressure device presses a first sealing element of the sealing device against a first support element of the support device in the axial direction of the pin element causes deformation of the first sealing element so that the first sealing element presses against the housing opening wall and against the sleeve in a perpendicular direction in relation to the axial direction of the pin element.Type: ApplicationFiled: May 17, 2019Publication date: January 9, 2020Applicant: SEMIKRON ELEKTRONIK GMBH & CO. KGInventors: JORG AMMON, Harald KOBOLLA, Stefan WEISS
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Patent number: 10530355Abstract: A control device for a power semiconductor switch includes an actuating device, which on a third control device terminal, upon the reception of a switching on command, generates an actuating voltage for the switching on of the power semiconductor switch and, upon the reception of an switching off command, generates an actuating voltage for the switching off of the power semiconductor switch, and a current detection circuit, which generates a first high-current signal if an actuating voltage assumes a voltage value at which the power semiconductor switch is switched on, and a primary voltage of the power semiconductor switch applied between first and second control device terminals exceeds a first power semiconductor switch primary voltage value.Type: GrantFiled: March 22, 2019Date of Patent: January 7, 2020Assignee: SEMIKRON ELEKTRONIK GmbH & CO. KGInventors: Gunter Königsmann, Johannes Krapp
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Publication number: 20190385919Abstract: The invention relates to a power semiconductor device having a pin element which passes through a housing opening, an elastic sealing device which is arranged between a housing opening wall of the housing, where the housing opening wall delimits the housing opening and encircles the pin element. The pin element runs through the sleeve and through a sealing device opening of the sealing element. The sealing device is not connected in a materially bonded manner to the sleeve, to the housing opening wall and to the pin element and the sealing device seals off the housing opening wall from the sleeve and seals off the sleeve from the pin element. A crosslinked potting compound is arranged on the sealing device. The crosslinked potting compound is connected in a materially bonded manner to the sleeve, to the housing opening wall and to the pin element and the potting compound seals off the housing opening wall from the sleeve and seals off the sleeve from the pin element.Type: ApplicationFiled: May 16, 2019Publication date: December 19, 2019Applicant: SEMIKRON ELEKTRONIK GMBH & CO. KGInventors: Thomas Hunka, Stefan Weiss, Rainer Popp
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Publication number: 20190378896Abstract: A diode has a semiconductor body having a first and a second semiconductor body main side, wherein the semiconductor body has a first semiconductor zone, wherein the semiconductor body has a second semiconductor zone arranged on the first semiconductor zone in an inner region of the semiconductor body and not extending as far as the semiconductor body edge of the semiconductor body, wherein the semiconductor body has a third semiconductor zone arranged on the second semiconductor zone and having a higher doping concentration than the second semiconductor zone, wherein the semiconductor body has a fourth semiconductor zone arranged on the first semiconductor zone in a semiconductor body edge region and extending from the second semiconductor zone in the direction towards the semiconductor body edge as far as the semiconductor body edge, wherein the semiconductor body has a cutout proceeding from a planar outer surface of the third semiconductor zone, which forms a surface region of the second semiconductor bodType: ApplicationFiled: May 16, 2019Publication date: December 12, 2019Applicant: SEMIKRON ELEKTRONIK GMBH & CO. KGInventors: Bernhard KÖNIG, Paul STROBEL
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Publication number: 20190333781Abstract: The invention provides a pressure sintering method including: a)providing a sintered component arrangement with a workpiece carrier having recesses, with a substrate resting on a main surface of the workpiece carrier, wherein a sintering material to be sintered is arranged between the power semiconductor components and the substrate, a first power semiconductor component and a first region of the substrate arranged above the workpiece carrier in the normal direction of the first main side of the insulation layer flush with a first recess of the workpiece carrier, and a second power semiconductor component and a second region of the substrate are arranged above the workpiece carrier in the normal direction of the first main side of the insulation layer flush with a second recess of the workpiece carrier and a step of b) pressurizing the power semiconductor components and applying a temperature treatment.Type: ApplicationFiled: March 26, 2019Publication date: October 31, 2019Applicant: SEMIKRON ELEKTRONIK GMBH & CO. KGInventors: ALEXANDER WEHNER, Juergen Steger
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Publication number: 20190335584Abstract: A circuit configuration for controlling a power semiconductor device has a first circuit carrier and a second circuit carrier arranged parallel to and spaced apart from the first, and having a plastic molded body arranged in an intermediate space between the first and second circuit carrier, wherein the first circuit carrier has a first conductor track with a first contact point, which can be implemented in particular as a contact pad or as a contact receptacle, which is arranged on a main side of the first circuit carrier facing the plastic molded body, wherein the second circuit carrier has a second conductor track with a second contact point, which is arranged on a main side of the second circuit carrier facing the plastic molded body, wherein the plastic molded body has a first holder for a first component with a first and a second contact device, and wherein the first contact device is electrically conductively connected to the first contact point and the second contact device is electrically conductivelType: ApplicationFiled: March 27, 2019Publication date: October 31, 2019Applicant: SEMIKRON ELEKTRONIK GMBH & CO. KGInventors: NICOLA BURANI, Roland BITTNER, Matthias KUJATH, Peter MAUER
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Publication number: 20190333860Abstract: The invention relates to a power electronic switching device having a substrate, which has a non-conductive insulation layer on which at least one first conductor track 40 and at least one second conductor track 50 are applied. The first conductor track 40 is assigned an electrical DC voltage potential DC+ of the power electronic switching device and the one second conductor track 50 is assigned an electrical AC voltage potential AC of the power electronic switching device. At three first partial power switches are arranged on the first conductor track. At least three second partial power switches are arranged on the second conductor track. The at least three first partial power switches are connected electrically in parallel with each other to form a first parallel circuit and the at least three second partial power switches are electrically connected in parallel with each other to form a second parallel circuit.Type: ApplicationFiled: March 28, 2019Publication date: October 31, 2019Applicant: SEMIKRON ELEKTRONIK GMBH & CO. KGInventor: Christina EBENSPERGER
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Publication number: 20190305766Abstract: A control device for a power semiconductor switch, includes an actuating device, a first current path, a second current path, which connects the second output of the actuating device to a circuit node of the control device in an electrically conductive manner, wherein the second current path incorporates an electrical switching off resistor which is electrically connected in-circuit between a second output of the actuating device and the circuit node of the control device, a third current path, which connects the circuit node of the control device to a control device terminal of the control device in an electrically conductive manner, and an switching off acceleration circuit, which is electrically connected in parallel with the switching off resistor, comprising a diode, an electrical resistor, and a capacitor which is electrically connected in parallel with said resistor, wherein the cathode of the diode is connected to a second electrical terminal of the capacitor in an electrically conductive manner, andType: ApplicationFiled: March 25, 2019Publication date: October 3, 2019Applicant: SEMIKRON ELEKTRONIK GMBH & CO. KGInventor: Jürgen SCHMIDT
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Publication number: 20190182945Abstract: A method for producing a power electronics system having a cooling device, a switching device, a terminal device, a capacitor device and a control device includes the following production steps: providing a cooling device with a plurality of first and second positioning cutouts; providing the switching device with a substrate and a first mounting device, which has first positioning devices; providing the terminal device, which is completely independent of the switching device, i.e. forms a dedicated component part or a dedicated assembly, with a second mounting device, which has second positioning devices; arranging the switching device on the cooling device, wherein the first positioning devices are arranged in the respectively assigned first positioning cutouts; arranging the terminal device on the cooling device, wherein the respective second positioning devices are arranged in the assigned second positioning cutouts; arranging the capacitor device.Type: ApplicationFiled: November 8, 2018Publication date: June 13, 2019Applicant: SEMIKRON ELEKTRONIK GMBH & CO. KGInventors: Thomas Hunka, Marco Lederer, Rainer Popp, Stefan Weiss, Patrick Sturm
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Patent number: 10312213Abstract: The invention relates to a power semiconductor device with a substrate with a cooling device and power semiconductor components connected thereon, having load current terminal elements and a cooling device. Pressure devices have a pressure element is arranged movably in a direction normal (N) to the substrate, and an elastic deformation element between the pressure element and a load current terminal element. The pressure element presses the assigned load current terminal element against an electrically conductive contact area of the substrate via the elastic deformation element and provides electrically conductive pressure contacting of the assigned load current terminal element with the substrate. The electrical connection of the power semiconductor device is improved.Type: GrantFiled: August 4, 2017Date of Patent: June 4, 2019Assignee: SEMIKRON ELEKTRONIK GMBH & CO. KGInventors: Markus Beck, Alexander Schneider, Hartmut Kulas, Patrick Graschl, Christian Zeller
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Patent number: 10312380Abstract: A semiconductor diode includes a semiconductor body, having a first main area formed from an inner area, on which a first contact layer is arranged, and from an edge area, a current path from the first contact layer to a second contact layer arranged on a second main area situated opposite the first main area, wherein the semiconductor diode, by virtue of the configuration of the first contact layer or of the semiconductor body, is formed such that upon current flow, such current flows through a current path having the greatest heating per unit volume, and which proceeds from a further partial area of the inner area, wherein the further partial area is arranged on the other side of a boundary of an inner partial area of the inner area, said inner partial area preferably being arranged centrally, with respect to an outer partial area adjoining said inner partial area.Type: GrantFiled: January 10, 2018Date of Patent: June 4, 2019Assignee: SEMIKRON ELEKTRONIK GmbH & CO. KGInventors: Christian Göbl, Boris Rosensaft, Uwe Schilling, Wolfgang-Michael Schulz, Sven Teuber
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Publication number: 20190148318Abstract: A power semiconductor chip having: a semiconductor component body; a multilayer metallization arranged on the semiconductor component body; and a nickel layer arranged over the semiconductor component body. The invention further relates to a method for producing a power semiconductor chip and to a power semiconductor device. The invention provides a power semiconductor chip which has a metallization to which a copper wire, provided without a thick metallic coating, can be reliably bonded without damage to the power semiconductor chip during bonding.Type: ApplicationFiled: November 21, 2016Publication date: May 16, 2019Applicant: Semikron Elektronik GmbH & Co., KGInventor: Wolfgang-Michael SCHULZ
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Patent number: 10291221Abstract: A control device for a power semiconductor switch, has a first, second and third electrical control device terminal, and a control device that according to a control signal generates an actuation voltage on the third control device terminal and actuates the power semiconductor switch. An overcurrent detection circuit determines a first voltage corresponding to a primary power semiconductor switch voltage present between the first and second control device terminals and, if the first voltage, further to commence the generation of an actuation voltage for a switch-on of the power semiconductor switch, and if the voltage exceeds a reference voltage, to generate an overcurrent detection signal.Type: GrantFiled: March 9, 2018Date of Patent: May 14, 2019Assignee: SEMIKRON ELEKTRONIK GmbH & CO. KGInventors: Peter Beckedahl, Gunter Königsmann, Bastian Vogler, Markus Müller
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Patent number: 10270358Abstract: A submodule and an assembly include a switching device having a substrate, and printed conductors arranged thereupon. The submodule incorporates a first and a second DC voltage printed conductor, to which a first and a second DC voltage terminal element are connected in an electrically conductive manner, and an AC voltage printed conductor, to which an AC voltage terminal element is connected in an electrically conductive manner. The submodule further comprises an insulating moulding, which encloses the switching device in a frame-type arrangement. The first DC voltage terminal element, by means of a first contact section, engages with a first supporting body of the insulating moulding, and the AC voltage terminal element, by means of a second contact section, engages with a second supporting body of the insulating moulding.Type: GrantFiled: June 27, 2018Date of Patent: April 23, 2019Assignee: SEMIKRON ELEKTRONIK GmbH & CO. KGInventors: Harald Kobolla, Alexander Wehner, Ingo Bogen, Jürgen Steger, Peter Beckedahl
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Patent number: D883241Type: GrantFiled: November 28, 2018Date of Patent: May 5, 2020Assignee: SEMIKRON ELEKTRONIK GmbH & CO. KGInventors: Peter Beckedahl, Juergen Steger, Ingo Bogen, Sandro Bulovic